When 75% of a number is added to 75, then resultant number is the original number. The number is
A
150
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B
300
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C
100
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D
45
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Solution
The correct option is B 300 Let the original number = x Now, it is given that 75% of x + 75 = x ⇒75100x+75=x ⇒75100x−x=−75 ⇒−25x100=−75 ⇒x=100×7525=300 ∴ Original number = 300